Steam-superheater.



i TJRGRAY. STEAM SUPBRHEATBR. APPLICATION YILED AUG. 31. 1914.

l p129,667". r Patented Feb. 23, 1915.

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T. F. GRAY.A STEAM SUPERHEATBR. APPLICATION FILED AUG.31, 1914.

Patented Feb. 23, 1915.

4 SEEETS-SHEET 2.

iNvExuRf C? o; W a momma T. P. GRAY.

STEAM SUPBREEATER. APPLIOAT'ION FILED AUG. a1, 1914.

l ,l 29,667 Patented Feb. 23, 1915.

SHEETS-SHEET 3 A'ITN ESSES l INVENTR T.F.GRAY.

STEAM SPERHEANEPA APPLICATION FILED AUG, 3X, NH l. ,129.667. :muted Feb. 23, 1915.

4 JHEETSY SHEET 4.

'A'ITNESSES INVENTOR the necessity 'For employing intermediate distributing headers. .ln the arrangement shown :it Figs. 5 and '5, the distributing invul periride for a Very viren ions of the steam through Field such will not usually bc requisite. n in; now described my in\.'ention, what ivi a., new and desire to secure by Letlhiten't isV steam supoi'lieatei comprising, in combination, saturated and superheated steam passages and at least two Field tube elements comiected to said passages only by their inner small diameter open ended tubes, and interconnected independently of Said 'passages by their outer tubes, as set forth.

2. A steam supcrheater comprising in combination, saturated steam inlet and snperheated steam outlet passages, at least two Field tube elements connected to said passages only by their imier small diameter large number ot` open ended tubes, and tubular conduits interconnecting the outer large diameter tubes of the Field tubes, as set forth.

8. steam superheater comprising in combination, a header with saturated steam inlet and superheated steam outlet cmpart- In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

TOM FREDERICK GRAY.

Witnesses ARTHUR HUGHES, Hmm HUGHES. 

